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NuMaker-HMI-N9H20
Mar. 15, 2022
Page
35
of 42
Rev 1.00
NUMA
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3.6
NuMaker-N9H20 NAND and SPI Flash Memory Circuit
Figure 3-6 shows the NuMaker-N9H20 NAND and SPI flash memory circuit.
Figure 3-6 NuMaker-N9H20 NAND and SPI Flash Memory Circuit
VD33
SPI0_CS
CB26
0.1u
ND0
3.3V
GND
SPI0_CS
CB25
0.1u
PSL
nCE2
VS
VS
SPI0_CLK
WP
ND3
SPI0
CLE
VS
U6
Toshiba NAND 4-8G
TSOP48-0.5mm
7
8
9
16
17
18
29
30
31
32
41
42
43
44
6
10
12
37
36
25
1
24
34
38
2
13
23
48
39
3
4
5
11
14
15
19
20
21
22
26
27
28
33
35
40
45
46
47
R/B1
RE
CE1
CLE
ALE
WE
I/O0
I/O1
I/O2
I/O3
I/O4
I/O5
I/O6
I/O7
R/B2
/CE2
VC
C
VC
C
VSS
VSS
VC
C
VC
C
VC
C
VC
C
VSS
VSS
VSS
VSS
PSL
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NVDD33
ND4
NAND
ALE
GPD15
ND5
ND7
U7
W25Q128BV
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
HOLD
VCC
NC
NC
NC
NC
CS
DO
WP
GND
NC
NC
NC
NC
DI
CLK
SPI0_CLK
U5
W55X16
1
2
3
4
5
6
7
8
/CS
DO
/WP
GND
DI
CLK
/HOLD
VCC
GPD14
SPI0_DO
GPD12
ND2
SPI0_DI
R44
0
ND[7:0]
GPD13
RnB2
nRE
+
CP24
10u
R47
10K
R45
10K
R50
0R
nWR
ND6
NVDD33
nCE1
PSL
R48
10K
R46
10K
VS
ND1
L10
FB
SW1
PSL
1
2
3
SPI0_DO
SPI0_DI
RnB1
R49
0R
VS
R78
0R
SW2
WP
1
2
SPI0_CS